Abstract
Electric trains have been used in Finland since 1960’s. At present, the total length of the Finnish railway network is 6000 km, about which 2000 km are electrified. The power frequency of the current used is 50 Hz supplied by 110 kV power lines, and transformed in power supply stations to the utility voltage of 25 kV. For passenger traffic, 46 million journeys are made yearly of which 75% within the local traffic around Helsinki area. About 20% of the 17 000 workers at the Finnish railways are estimated to be occupationally exposed to magnetic fields.
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Hämäläinen, AM., Hietanen, M., Juuti, P., Juutilainen, J. (1999). Exposure to Magnetic Fields at Work and Public Areas at the Finnish Railways. In: Bersani, F. (eds) Electricity and Magnetism in Biology and Medicine. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-4867-6_187
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DOI: https://doi.org/10.1007/978-1-4615-4867-6_187
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